Adds option to enable CSS backgrounds for printing.

chrome/browser/resources/print_preview/data/app_state.js

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 cr.define('print_preview', function() {
   'use strict';
 
   /**
    * Object used to get and persist the print preview application state.
    * @constructor
@@ skipping 61 matching lines @@
      * @private
      */
     this.isLandscapeEnabled_ = null;
 
     /**
      * Whether printing collation is enabled.
      * @type {?boolean}
      * @private
      */
     this.isCollateEnabled_ = null;
+
+    /**
+     * Whether printing CSS backgrounds is enabled.
+     * @type {?boolean}
+     * @private
+     */
+    this.isCssBackgroundEnabled_ = null;
   };
 
   /**
    * Current version of the app state. This value helps to understand how to
    * parse earlier versions of the app state.
    * @type {number}
    * @const
    * @private
    */
   AppState.VERSION_ = 2;
 
   /**
    * Enumeration of field names for serialized app state.
    * @enum {string}
    * @private
    */
   AppState.Field_ = {
     VERSION: 'version',
     SELECTED_DESTINATION_ID: 'selectedDestinationId',
     IS_SELECTED_DESTINATION_LOCAL: 'isSelectedDestinationLocal',
     IS_GCP_PROMO_DISMISSED: 'isGcpPromoDismissed',
     MARGINS_TYPE: 'marginsType',
     CUSTOM_MARGINS: 'customMargins',
     IS_COLOR_ENABLED: 'isColorEnabled',
     IS_DUPLEX_ENABLED: 'isDuplexEnabled',
     IS_HEADER_FOOTER_ENABLED: 'isHeaderFooterEnabled',
     IS_LANDSCAPE_ENABLED: 'isLandscapeEnabled',
-    IS_COLLATE_ENABLED: 'isCollateEnabled'
+    IS_COLLATE_ENABLED: 'isCollateEnabled',
+    IS_CSS_BACKGROUND_ENABLED: 'isCssBackgroundEnabled'
   };
 
   /**
    * Name of C++ layer function to persist app state.
    * @type {string}
    * @const
    * @private
    */
   AppState.NATIVE_FUNCTION_NAME_ = 'saveAppState';
 
@@ skipping 41 matching lines @@
     /** @return {?boolean} Whether landscape page orientation is selected. */
     get isLandscapeEnabled() {
       return this.isLandscapeEnabled_;
     },
 
     /** @return {?boolean} Whether printing collation is enabled. */
     get isCollateEnabled() {
       return this.isCollateEnabled_;
     },
 
+    /** @return {?boolean} Whether printing CSS backgrounds is enabled. */
+    get isCssBackgroundEnabled() {
+      return this.isCssBackgroundEnabled_;
+    },
+
     /**
      * Initializes the app state from a serialized string returned by the native
      * layer.
      * @param {?string} serializedAppStateStr Serialized string representation
      *     of the app state.
      */
     init: function(serializedAppStateStr) {
       if (!serializedAppStateStr) {
         // Set some state defaults.
         this.isGcpPromoDismissed_ = false;
@@ skipping 28 matching lines @@
           this.isHeaderFooterEnabled_ =
               state[AppState.Field_.IS_HEADER_FOOTER_ENABLED];
         }
         if (state.hasOwnProperty(AppState.Field_.IS_LANDSCAPE_ENABLED)) {
           this.isLandscapeEnabled_ =
               state[AppState.Field_.IS_LANDSCAPE_ENABLED];
         }
         if (state.hasOwnProperty(AppState.Field_.IS_COLLATE_ENABLED)) {
           this.isCollateEnabled_ = state[AppState.Field_.IS_COLLATE_ENABLED];
         }
+        if (state.hasOwnProperty(AppState.Field_.IS_CSS_BACKGROUND_ENABLED)) {
+          this.isCssBackgroundEnabled_ =
+              state[AppState.Field_.IS_CSS_BACKGROUND_ENABLED];
+        }
       }
     },
 
     /**
      * Persists the selected destination.
      * @param {!print_preview.Destination} dest Destination to persist.
      */
     persistSelectedDestination: function(dest) {
       this.selectedDestinationId_ = dest.id;
       this.isSelectedDestinationLocal_ = dest.isLocal;
@@ skipping 68 matching lines @@
     /**
      * Persists whether printing collation is enabled.
      * @param {?boolean} isCollateEnabled Whether printing collation is enabled.
      */
     persistIsCollateEnabled: function(isCollateEnabled) {
       this.isCollateEnabled_ = isCollateEnabled;
       this.persist_();
     },
 
     /**
+     * Persists whether printing CSS backgrounds is enabled.
+     * @param {?boolean} isCssBackgroundEnabled Whether printing CSS
+     *     backgrounds is enabled.
+     */
+    persistIsCssBackgroundEnabled: function(isCssBackgroundEnabled) {
+      this.isCssBackgroundEnabled_ = isCssBackgroundEnabled;
+      this.persist_();
+    },
+
+    /**
      * Calls into the native layer to persist the application state.
      * @private
      */
     persist_: function() {
       var obj = {};
       obj[AppState.Field_.VERSION] = AppState.VERSION_;
       obj[AppState.Field_.SELECTED_DESTINATION_ID] =
           this.selectedDestinationId_;
       obj[AppState.Field_.IS_SELECTED_DESTINATION_LOCAL] =
           this.isSelectedDestinationLocal_;
       obj[AppState.Field_.IS_GCP_PROMO_DISMISSED] = this.isGcpPromoDismissed_;
       obj[AppState.Field_.MARGINS_TYPE] = this.marginsType_;
       if (this.customMargins_) {
         obj[AppState.Field_.CUSTOM_MARGINS] = this.customMargins_.serialize();
       }
       obj[AppState.Field_.IS_COLOR_ENABLED] = this.isColorEnabled_;
       obj[AppState.Field_.IS_DUPLEX_ENABLED] = this.isDuplexEnabled_;
       obj[AppState.Field_.IS_HEADER_FOOTER_ENABLED] =
           this.isHeaderFooterEnabled_;
       obj[AppState.Field_.IS_LANDSCAPE_ENABLED] = this.isLandscapeEnabled_;
       obj[AppState.Field_.IS_COLLATE_ENABLED] = this.isCollateEnabled_;
+      obj[AppState.Field_.IS_CSS_BACKGROUND_ENABLED] =
+          this.isCssBackgroundEnabled_;
       chrome.send(AppState.NATIVE_FUNCTION_NAME_, [JSON.stringify(obj)]);
     }
   };
 
   return {
     AppState: AppState
   };
 });